Do not let contrib managers judge papers
Do not let contrib managers judge papers

also fix repr of Paper instance without a revision

pferreir/indico,mvidalgarcia/indico,pferreir/indico,OmeGak/indico,pferreir/indico,DirkHoffmann/indico,OmeGak/indico,DirkHoffmann/indico,indico/indico,ThiefMaster/indico,mvidalgarcia/indico,mic4ael/indico,pferreir/indico,indico/indico,ThiefMaster/indico,mic4ael/indico,mvidalgarcia/indico,DirkHoffmann/indico,indico/indico,indico/indico,mic4ael/indico,OmeGak/indico,DirkHoffmann/indico,mic4ael/indico,OmeGak/indico,ThiefMaster/indico,mvidalgarcia/indico,ThiefMaster/indico